What will be come in place of question mark(?) in the following number series?
3, 22, ? , 673, 2696, 8093

What will be come in place of question mark(?) in the following number series?
13 , 14 , 30 , 93, ?, 1885

What will be come in place of question mark(?) in the following number series?
8,  14, 25, 46, 82 , ?

What will be come in place of question mark(?) in the following number series?
14, 8, 7 , 11.5, 22, ?

Find the value of $$ {1\over{2×5}}+{1\over {5×8}}+{1\over {8 × 11}}+......{1\over {23 × 26}}=?$$

Let x be the least number of 4 digit that when divided by 2, 3, 4, 5, 6 and 7 leaves a remainder of 1 in each case. If x lies between 2000 and 2500, then what is the sum of the digits of x?

How many natural numbers less than 1000 are divisible by 5 or 7 but not by 35?

4/5 of a number is 10 more than two-thirds of the same number. What is that number?